From 5853423c3f514dcc72870930544f9fab7c0f5f20 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Tue, 3 Jun 2008 00:43:56 +0000
Subject: [PATCH] Do not set pts in update_initial_durations() if stream has b
 frames.

Originally committed as revision 13639 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/utils.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavformat/utils.c b/libavformat/utils.c
index 95abbe2d64..47324ea4bc 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -645,7 +645,9 @@ static void update_initial_durations(AVFormatContext *s, AVStream *st, AVPacket
             continue;
         if(pktl->pkt.pts == pktl->pkt.dts && pktl->pkt.dts == AV_NOPTS_VALUE
            && !pktl->pkt.duration){
-            pktl->pkt.pts= pktl->pkt.dts= st->cur_dts;
+            pktl->pkt.dts= st->cur_dts;
+            if(!st->codec->has_b_frames)
+                pktl->pkt.pts= st->cur_dts;
             st->cur_dts += pkt->duration;
             pktl->pkt.duration= pkt->duration;
         }else